Search Results - "Bersier, David"

The Changing-look Blazar B2 1420+32 by Mishra, Hora D., Dai, Xinyu, Chen, Ping, Cheng, Jigui, Jayasinghe, T., Tucker, Michael A., Vallely, Patrick J., Bersier, David, Bose, Subhash, Do, Aaron, Dong, Subo, Holoien, Thomas W.-S., Huber, Mark E., Kochanek, Christopher S., Liang, Enwei, Payne, Anna V., Prieto, Jose, Shappee, Benjamin J., Stanek, K. Z., Bhatiani, Saloni, Cox, John, DeFrancesco, Cora, Shen, Zhiqiang, Thompson, Todd A., Wang, Junfeng

“…Abstract Blazars are active galactic nuclei with their relativistic jets pointing toward the observer, comprising two major subclasses, flat-spectrum radio…”
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GRB 081007 AND GRB 090424: THE SURROUNDING MEDIUM, OUTFLOWS, AND SUPERNOVAE by Jin, Zhi-Ping, Covino, Stefano, Valle, Massimo Della, Ferrero, Patrizia, Fugazza, Dino, Malesani, Daniele, Melandri, Andrea, Pian, Elena, Salvaterra, Ruben, Bersier, David

“…We discuss the results of the analysis of multi-wavelength data for the afterglows of GRB 081007 and GRB 090424, two bursts detected by Swift. One of them, GRB…”
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REAL-TIME DETECTION AND RAPID MULTIWAVELENGTH FOLLOW-UP OBSERVATIONS OF A HIGHLY SUBLUMINOUS TYPE II-P SUPERNOVA FROM THE PALOMAR TRANSIENT FACTORY SURVEY by GAL-YAM, Avishay, KASLIWAL, Mansi M, OFEK, Eran O, WALTERS, Richard, NUGENT, Peter E, POZNANSKI, Dovi, BLOOM, Joshua S, BRADLEY CENKO, S, FILIPPENKO, Alexei V, WEIDONG LI, SILVERMAN, Jeffrey M, WALKER, Emma S, ARCAVI, Iair, SULLIVAN, Mark, MAGUIRE, K, ANDREW HOWELL, D, MAZZALI, Paolo A, FRAIL, Dale A, BERSIER, David, JAMES, Phil A, AKERLOF, C. W, FANG YUAN, LAW, Nicholas, GREEN, Yoav, FOX, Derek B, GEHRELS, Neil, YARON, Ofer, BEN-AMI, Sagi, DONG XU, STERNBERG, Assaf, QUIMBY, Robert M, KULKARNI, Shrinivas R

“…The Palomar Transient Factory (PTF) is an optical wide-field variability survey carried out using a camera with a 7.8 deg2 field of view mounted on the 48 inch…”
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Finding beat Cepheids in M33 and their use in measuring the metallicity gradient by Short, Lawrence, Bersier, David

“…The period ratio between the two different pulsation modes of beat Cepheids is directly affected by the metallicity of the star. Our aim is to find all of the…”
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Early Optical Polarization of a Gamma-Ray Burst Afterglow by Mundell, Carole G, Steele, Iain A, Smith, Robert J, Kobayashi, Shiho, Melandri, Andrea, Guidorzi, Cristiano, Gomboc, Andreja, Mottram, Chris J, Clarke, David, Monfardini, Alessandro, Carter, David, Bersier, David

“…We report the optical polarization of a gamma-ray burst (GRB) afterglow, obtained 203 seconds after the initial burst of γ-rays from GRB 060418, using a ring…”
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Infrared and Optical Observations of GRB 030115 and its Extremely Red Host Galaxy: Implications for Dark Bursts by Levan, Andrew, Fruchter, Andrew, Rhoads, James, Mobasher, Bahram, Tanvir, Nial, Gorosabel, Javier, Rol, Evert, Kouveliotou, Chryssa, Dell’Antonio, Ian, Merrill, Michael, Bergeron, Eddie, Cerón, José María Castro, Masetti, Nicola, Vreeswijk, Paul, Antonelli, Angelo, Bersier, David, Castro-Tirado, Alberto, Fynbo, Johan, Garnavich, Peter, Holland, Stephen, Hjorth, Jens, Nugent, Peter, Pian, Elena, Smette, Alain, Thomsen, Bjarne, Thorsett, Stephen E, Wijers, Ralph

“…We present near-infrared (NIR) and optical observations of the afterglow of GRB 030115. Discovered in an infrared search at Kitt Peak 5 hr after the burst…”
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INTERACTION-POWERED SUPERNOVAE: RISE-TIME VERSUS PEAK-LUMINOSITY CORRELATION AND THE SHOCK-BREAKOUT VELOCITY by Ofek, Eran O., Arcavi, Iair, Tal, David, Sullivan, Mark, Gal-Yam, Avishay, Kulkarni, Shrinivas R., Nugent, Peter E., Ben-Ami, Sagi, Bersier, David, Cao, Yi, Cenko, S. Bradley, De Cia, Annalisa, Filippenko, Alexei V., Fransson, Claes, Kasliwal, Mansi M., Laher, Russ, Surace, Jason, Quimby, Robert, Yaron, Ofer

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1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months by Trakhtenbrot, Benny, Arcavi, Iair, MacLeod, Chelsea L., Ricci, Claudio, Kara, Erin, Graham, Melissa L., Stern, Daniel, Harrison, Fiona A., Burke, Jamison, Hiramatsu, Daichi, Hosseinzadeh, Griffin, Howell, D. Andrew, Smartt, Stephen J., Rest, Armin, Prieto, Jose L., Shappee, Benjamin J., Holoien, Thomas W.-S., Bersier, David, Filippenko, Alexei V., Brink, Thomas G., Zheng, WeiKang, Li, Ruancun, Remillard, Ronald A., Loewenstein, Michael

“…We study the sudden optical and ultraviolet (UV) brightening of 1ES 1927+654, which until now was known as a narrow-line active galactic nucleus (AGN). 1ES…”
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The Fast, Luminous Ultraviolet Transient AT2018cow: Extreme Supernova, or Disruption of a Star by an Intermediate-Mass Black Hole? by Perley, Daniel A., Mazzali, Paolo A., Yan, Lin, Cenko, S. Bradley, Gezari,5, Suvi, Taggart, Kirsty, Blagorodnova, Nadia, Fremling, Christoffer, Mockler, Brenna, Singh, Avinash, Tominaga, Nozomu, Tanaka, Masaomi, Watson, Alan M., Ahumada, Tomas, Anupama, G. C., Ashall, Chris, Becerra, Rosa L., Bersier, David, Bhalerao, Varun, Bloom, Joshua S., Butler, Nathaniel R., Copperwheat, Christopher, Coughlin, Michael W., De, Kishalay, Drake, Andrew J., Duev, Dmitry A., Frederick, Sara, Gonzalez, J. Jesus, Goobar, Ariel, Heida, Marianne, Ho, Anna Y. Q., Horst, John, Hung, Tiara, Itoh, Ryosuke, Jencson, Jacob E., Kasliwal, Mansi M., Kawai, Nobuyuki, Khanam, Tanazza, Kulkarni, Shrinivas R, Kumar, Brajesh, Kumar, Harsh, Kutyrev, Alexander S, Lee, William H., Maeda, Keiichi, Mahabal, Ashish, Murata, Katsuhiro L., Neill, James D., Ngeow, Chow-Choong, Penprase, Bryan, Pian, Elena, Quimby, Robert, Ramirez-Ruiz, Enrico, Richer, Michael G., Roman-Zuniga, Carlos G., Sahu, D. K., Srivastav, Shubham, Socia, Quentin, Sollerman, Jesper, Tachibana, Yutaro, Taddia, Francesco, Tinyanont, Samaporn, Troja, Eleonora, Ward, Charlotte, Wee, Jerrick, Yu, Po-Chieh

“…Wide-field optical surveys have begun to uncover large samples of fast (trise <~ 5 d), luminous (Mpeak < −18), blue transients. While commonly attributed to…”
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Supernova SN 2011fe from an exploding carbon–oxygen white dwarf star by Nugent, Peter E., Sullivan, Mark, Cenko, S. Bradley, Thomas, Rollin C., Kasen, Daniel, Howell, D. Andrew, Bersier, David, Bloom, Joshua S., Kulkarni, S. R., Kandrashoff, Michael T., Filippenko, Alexei V., Silverman, Jeffrey M., Marcy, Geoffrey W., Howard, Andrew W., Isaacson, Howard T., Maguire, Kate, Suzuki, Nao, Tarlton, James E., Pan, Yen-Chen, Bildsten, Lars, Fulton, Benjamin J., Parrent, Jerod T., Sand, David, Podsiadlowski, Philipp, Bianco, Federica B., Dilday, Benjamin, Graham, Melissa L., Lyman, Joe, James, Phil, Kasliwal, Mansi M., Law, Nicholas M., Quimby, Robert M., Hook, Isobel M., Walker, Emma S., Mazzali, Paolo, Pian, Elena, Ofek, Eran O., Gal-Yam, Avishay, Poznanski, Dovi

“…Multi-instrument detection of a nearby type 1a supernova shows that the exploding star was probably a carbon–oxygen white dwarf star in a binary system with a…”
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Star formation histories of resolved galaxies - I. The method by Small, Emma E., Bersier, David, Salaris, Maurizio

“…We present a new method to determine the star formation and metal enrichment histories of any resolved stellar system. This method is based on the fact that…”
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INTERACTION-POWERED SUPERNOVAE: RISE-TIME VERSUS PEAK-LUMINOSITY CORRELATION AND THE SHOCK-BREAKOUT VELOCITY by Ofek, Eran O, ARCAVI, IAIR, Tal, David, Sullivan, Mark, Gal-Yam, Avishay, Kulkarni, Shrinivas R, Nugent, Peter E, Ben-Ami, Sagi, Bersier, David, Cao, Yi

“…Interaction of supernova (SN) ejecta with the optically thick circumstellar medium (CSM) of a progenitor star can result in a bright, long-lived shock-breakout…”
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The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient by Hinkle, Jason T., Holoien, Thomas W.-S., Shappee, Benjamin. J., Neustadt, Jack M. M., Auchettl, Katie, Vallely, Patrick J., Shahbandeh, Melissa, Kluge, Matthias, Kochanek, Christopher S., Stanek, K. Z., Huber, Mark E., Post, Richard S., Bersier, David, Ashall, Christopher, Tucker, Michael A., Williams, Jonathan P., de Jaeger, Thomas, Do, Aaron, Fausnaugh, Michael, Gruen, Daniel, Hopp, Ulrich, Myles, Justin, Obermeier, Christian, Payne, Anna V., Thompson, Todd A.

“…Abstract We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated Survey for…”
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Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz by Holoien, Thomas W.-S., Neustadt, Jack M. M., Vallely, Patrick J., Auchettl, Katie, Hinkle, Jason T., Romero-Cañizales, Cristina, Shappee, Benjamin. J., Kochanek, Christopher S., Stanek, K. Z., Chen, Ping, Dong, Subo, Prieto, Jose L., Thompson, Todd A., Brink, Thomas G., Filippenko, Alexei V., Zheng, WeiKang, Bersier, David, Bose, Subhash, Burgasser, Adam J., Channa, Sanyum, de Jaeger, Thomas, Hestenes, Julia, Im, Myungshin, Jeffers, Benjamin, Jun, Hyunsung D., Lansbury, George, Post, Richard S., Ross, Timothy W., Stern, Daniel, Tang, Kevin, Tucker, Michael A., Valenti, Stefano, Yunus, Sameen, Zhang, Keto D.

“…Abstract We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of the object’s…”
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ASASSN-15nx: A Luminous Type II Supernova with a "Perfect" Linear Decline by Bose, Subhash, Dong, Subo, Kochanek, C. S., Pastorello, Andrea, Katz, Boaz, Bersier, David, Andrews, Jennifer E., Prieto, J. L., Stanek, K. Z., Shappee, B. J., Smith, Nathan, Kollmeier, Juna, Benetti, Stefano, Cappellaro, E., Chen, Ping, Elias-Rosa, N., Milne, Peter, Morales-Garoffolo, Antonia, Tartaglia, Leonardo, Tomasella, L., Bilinski, Christopher, Brimacombe, Joseph, Frank, Stephan, Holoien, T. W.-S., Kilpatrick, Charles D., Kiyota, Seiichiro, Madore, Barry F., Rich, Jeffrey A.

“…We report a luminous Type II supernova, ASASSN-15nx, with a peak luminosity of mag that is between those of typical core-collapse supernovae and super-luminous…”
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The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient by Hinkle, Jason T., Holoien, Thomas W. -S., Shappee, Benjamin. J., Neustadt, Jack M. M., Auchettl, Katie, Vallely, Patrick J., Shahbandeh, Melissa, Kluge, Matthias, Kochanek, Christopher S., Stanek, K. Z., Huber, Mark E., Post, Richard S., Bersier, David, Ashall, Christopher, Tucker, Michael A., Williams, Jonathan P., de Jaeger, Thomas, Do, Aaron, Fausnaugh, Michael, Gruen, Daniel, Hopp, Ulrich, Myles, Justin, Obermeier, Christian, Payne, Anna V., Thompson, Todd A.

“…We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated Survey for Supernovae…”
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THE HIGHLY ENERGETIC EXPANSION OF SN 2010bh ASSOCIATED WITH GRB 100316D by BUFANO, Filomena, PIAN, Elena, DELLA VALLE, Massimo, FYNBO, Johan, HJORTH, Jens, MAZZALI, Paolo A, REICHART, Daniel E, STARLING, Rhaana L. C, TURATTO, Massimo, VERGANI, Susanna D, WIERSEMA, Klass, AMATI, Lorenzo, SOLLERMAN, Jesper, BERSIER, David, CAMPANA, Sergio, ZACH CANO, CASTRO-TIRADO, Alberto J, CHINCARINI, Guido, D'ELIA, Valerio, DE UGARTE POSTIGO, Antonio, JINSONG DENG, FERRERO, Patrizia, FILIPPENKO, Alexei V, BENETTI, Stefano, GOLDONI, Paolo, GOROSABEL, Javier, GREINER, Jochen, HAMMER, Francois, JAKOBSSON, Pall, KAPER, Lex, KAWABATA, Koji S, KLOSE, Sylvio, LEVAN, Andrew J, MAEDA, Keiichi, PIGNATA, Giuliano, MASETTI, Nicola, MILVANG-JENSEN, Bo, MIRABEL, Felix I, MØLLER, Palle, NOMOTO, Ken'ichi, PALAZZI, Eliana, PIRANOMONTE, Silvia, SALVATERRA, Ruben, STRATTA, Giulia, TAGLIAFERRI, Gianpiero, VALENTI, Stefano, TANAKA, Masaomi, TANVIR, Nial R, WIJERS, Ralph A. M. J, COVINO, Stefano, D'AVANZO, Paolo, MALESANI, Daniele, CAPPELLARO, Enrico

“…We present the spectroscopic and photometric evolution of the nearby (z = 0.059) spectroscopically confirmed Type Ic supernova, SN 2010bh, associated with the…”
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OPTICAL AND ULTRAVIOLET OBSERVATIONS OF A LOW-VELOCITY TYPE II PLATEAU SUPERNOVA 2013am IN M65 by ZHANG, JUJIA, Wang, Xiaofeng, Mazzali, Paolo A, Bai, Jinming, ZHANG, TIANMENG, Bersier, David, Huang, Fang, Fan, Yufeng, Mo, Jun, Wang, Jianguo

“…Optical and ultraviolet observations for the nearby type II plateau supernova (SN IIP) 2013am in the nearby spiral galaxy M65 are presented in this paper. The…”
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Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz by Holoien, Thomas W. -S., Neustadt, Jack M. M., Vallely, Patrick J., Auchettl, Katie, Hinkle, Jason T., Romero-Cañizales, Cristina, Shappee, Benjamin. J., Kochanek, Christopher S., Stanek, K. Z., Chen, Ping, Dong, Subo, Prieto, Jose L., Thompson, Todd A., Brink, Thomas G., Filippenko, Alexei V., Zheng, WeiKang, Bersier, David, Bose, Subhash, Burgasser, Adam J., Channa, Sanyum, de Jaeger, Thomas, Hestenes, Julia, Im, Myungshin, Jeffers, Benjamin, Jun, Hyunsung D., Lansbury, George, Post, Richard S., Ross, Timothy W., Stern, Daniel, Tang, Kevin, Tucker, Michael A., Valenti, Stefano, Yunus, Sameen, Zhang, Keto D.

“…We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of the object’s evolution…”
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No supernovae associated with two long-duration γ-ray bursts by FYNBO, Johan P. U, WATSON, Darach, FRUCHTER, Andrew S, BERSIER, David, KEWLEY, Lisa, CASSAN, Arnaud, CERON, José Maria Castro, FOLEY, Suzanne, GOROSABEL, Javier, HINSE, Tobias C, HORNE, Keith D, JENSEN, Brian L, THÖNE, Christina C, KLOSE, Sylvio, KOCEVSKI, Daniel, MARQUETTE, Jean-Baptiste, PERLEY, Daniel, RAMIREZ-RUIZ, Enrico, STRITZINGER, Maximilian D, VREESWIJK, Paul M, WIJERS, Ralph A. M, WOLLER, Kristian G, DONG XU, SOLLERMAN, Jesper, ZUB, Marta, BLOOM, Joshua S, DAVIS, Tamara M, HJORTH, Jens, JAKOBSSON, Pall, JØRGENSEN, Uffe G, GRAHAM, John F

“…It is now accepted that long-duration gamma-ray bursts (GRBs) are produced during the collapse of a massive star. The standard 'collapsar' model predicts that…”
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